/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.facebook.presto.operator;

import com.facebook.presto.spi.PrestoException;
import com.google.inject.Inject;

import java.net.URI;
import java.util.Locale;

import static com.facebook.presto.spi.StandardErrorCode.GENERIC_INTERNAL_ERROR;

public class HttpAndThriftRpcShuffleClientProvider
        implements RpcShuffleClientProvider
{
    private final HttpShuffleClientProvider httpShuffleClientProvider;
    private final ThriftShuffleClientProvider thriftShuffleClientProvider;

    @Inject
    public HttpAndThriftRpcShuffleClientProvider(
            @ForExchange HttpShuffleClientProvider httpShuffleClientProvider,
            @ForExchange ThriftShuffleClientProvider thriftShuffleClientProvider)
    {
        this.httpShuffleClientProvider = httpShuffleClientProvider;
        this.thriftShuffleClientProvider = thriftShuffleClientProvider;
    }

    @Override
    public RpcShuffleClient get(URI location)
    {
        switch (location.getScheme().toLowerCase(Locale.getDefault())) {
            case "https":
            case "http":
                return httpShuffleClientProvider.get(location);
            case "thrift":
                return thriftShuffleClientProvider.get(location);
            default:
                throw new PrestoException(GENERIC_INTERNAL_ERROR, "unsupported task result client scheme " + location.getScheme());
        }
    }
}
